<div class="list-group">
  <a href="#/user/device/bind" class="list-group-item" ng-class="{true: 'active', false: ''}[active == 'bind']">绑定设备</a>
  <a href="#/user/device" class="list-group-item" ng-class="{true: 'active', false: ''}[active == 'device']">我的设备</a>
  <!--<a href="#/system" class="list-group-item" ng-class="{true: 'active', false: ''}[active == 'system']">系统配置</a>-->
</div>